دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a powerful magnet placed in the return line between the wellbore and the mud pit to remove metal particles from the drilling mud. A ditch magnet is often used during milling operations.

n: A device used to aspirate the iron fillings and powers from the drill fluid when corrode or washover the junk

n: fishing tool used in early phase

n: the crossover flange having two bridge pieces of screw join,and they situated

the recovery stoke downward on a beam pump where the pump is filling with fluid by pushing the open traveling valve through the standing fluid.

n: refer to kickover tool

diaminopropanoltetraacetic acid, a calcium scale remover and solvent.

n: the first well drilled in the United States in search of oil. Some 69 feet (21 metres) deep, it was drilled near Titusville, Pennsylvania, and was completed in 1859. It was named after Edwin L. Drake, who was hired by the well owners to oversee the drilling.

n: 1. an ocean currents speed of motion. 2. an observed change, usually uncontrolled, in meter performance, meter factor, etc., that occurs over a period of time. v:1. to move slowly out of alignment, off center, or out of register. 2. to gauge or measure pipe by means of a mandrel passed through it to ensure the passage of tools, pumps, and so on.

n: a bottle released at sea to measure currents. It contains a card stating the date and location of release. The person who finds the bottle writes on the card the date and location of the bottles recovery and returns the card. Also called a floater.

n: a heavy, thick-walled tube, usually steel, used between the drill pipe and the bit in the drill stem to provide weight to the bit.

n: A heavy, thick-walled steel tuve that provides weight on the bit to improve penetration rates. A number of drill collar may be used between the bit and the drillpipe.

a very heavy wall pipe used to add weight over the bit during drilling.